Quantiferon Monitor Testing Sheds Light on Immune System Disparities between Multiple Sclerosis Patients and Healthy

Ilona Součková1,2, Ondřej Souček1,2, Jan Krejsek1,2

  • 1Department of Clinical Immunology and Allergology, University Hospital Hradec Kralove, 50005 Hradec Kralove, Czech Republic.

Insights

This study investigated cytokine levels in multiple sclerosis (MS) patients, finding Interleukin-1 alpha (IL-1α) elevated in progressive MS (pMS) and fingolimod-treated MS (fMS). These cytokines may serve as biomarkers for MS progression and treatment response.

Area of Science:

  • Immunology
  • Neuroscience
  • Biochemistry

Background:

  • Multiple sclerosis (MS) involves complex immune dysregulation.
  • Monitoring immune status in MS patients is crucial for treatment efficacy.
  • Previous studies focused on Interferon-gamma (IFN-γ), necessitating broader immune marker investigation.

Purpose of the Study:

  • To assess QuantiFERON Monitor (QFM) testing utility in MS patients.
  • To analyze a panel of cytokines in healthy controls (HC), untreated progressive MS (pMS), and fingolimod-treated relapsing-remitting MS (fMS) patients.
  • To identify potential cytokine biomarkers for MS progression and treatment response.

Main Methods:

  • Blood samples from 280 participants (98 fMS, 96 pMS, 86 HC) were analyzed.
  • Leukocyte stimulation followed by Interferon-gamma (IFN-γ) measurement via QuantiFERON Monitor (QFM).
  • Screening of 15 cytokines using Luminex technology, with further analysis by ELISA.

Main Results:

  • Elevated Interleukin-1 alpha (IL-1α) levels were observed in both pMS and fMS groups compared to HC.
  • Significant differences in interleukin levels were found between patient groups.
  • Interleukin-1 receptor antagonist (IL-1ra) and age were key predictors differentiating HC from pMS.
  • IL-1ra, IL-1α, age, and EDSS distinguished pMS from fMS.

Conclusions:

  • Cytokine profiles, particularly IL-1α and IL-1ra, show potential as biomarkers in MS.
  • These biomarkers may aid in understanding MS progression and response to treatments like fingolimod.
  • QFM testing and subsequent cytokine analysis offer insights into immune modulation in MS.